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Finding the Fourth Proportional to 6,220.72, 8,584.32 and 3,567.94

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Solution

The fourth proportional to 6,220.72, 8,584.32 and 3,567.94 is: 4,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.72 : 8,584.32 = 3,567.94 : x
  2. Step 2: Convert to fraction form
    6,220.72/8,584.32 = 3,567.94/x
  3. Step 3: Cross multiply
    6,220.72x = 8,584.32 × 3,567.94
  4. Step 4: Simplify right side
    6,220.72x = 30,628,338.70
  5. Step 5: Solve for x
    x = 30,628,338.70/6,220.72
  6. Step 6: Final answer
    x = 4,923.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.